120303217 has 2 divisors, whose sum is σ = 120303218. Its totient is φ = 120303216.

The previous prime is 120303199. The next prime is 120303229. The reversal of 120303217 is 712303021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114147856 + 6155361 = 10684^2 + 2481^2 .

It is a cyclic number.

It is not a de Polignac number, because 120303217 - 2¹¹ = 120301169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120303194 and 120303203.

It is not a weakly prime, because it can be changed into another prime (120303247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60151608 + 60151609.

It is an arithmetic number, because the mean of its divisors is an integer number (60151609).

Almost surely, 2^120303217 is an apocalyptic number.

It is an amenable number.

120303217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120303217 is an equidigital number, since it uses as much as digits as its factorization.

120303217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 120303217 is about 10968.2823176649. The cubic root of 120303217 is about 493.6575084563.

Adding to 120303217 its reverse (712303021), we get a palindrome (832606238).

The spelling of 120303217 in words is "one hundred twenty million, three hundred three thousand, two hundred seventeen".